1. What Is a Private Server? A private server is an unofficial, fan-run version of Sonic Forces: Speed Battle . Instead of connecting to Sega/Hardlight’s official servers, your game client is modified to connect to a third-party server hosted by fans.

Private servers for Sonic Forces: Speed Battle are unstable, risky for your device/account, and have tiny communities. The game’s official version is still actively updated (as of 2026), and while grindy, it’s not unplayable.